17 year old. Park Y/n famous in her School for being chill and sarcastic becomes the stepsister of 7 heartless mafia Kings. what do you think will happen? Will they accept her, will she accept them? . ⚠ warning ⚠ • There will be no love between bts and y/n (personally) it's weird for step siblings so yeah- • There will be mentions of death, murder, crimes and many more so u might not want to read this if you're uncomfortable with these. • None of the pictures i use are mine i only own the story line.